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. Author manuscript; available in PMC: 2011 Dec 1.

Published in final edited form as: Clin Breast Cancer. 2010 Dec 1;10(6):471–476. doi: 10.3816/CBC.2010.n.062

Table 4.

Subgroup analysis: Change in BMD from baseline to 1 year for patients treated with tamoxifen

	ZA			Observation
	N	Mean(SD)	95% CI	N	Mean (SD)	95% CI	p-value^*
L1-L4, g/cm³	16	0.047 (0.037)	0.029–0.065	16	0.015 (0.085)	−0.027–0.057	0.19
FN, g/cm³	17	0.022 (0.038)	0.005–0.04	16	0.008 (0.031)	−0.007–0.023	0.24
TF, g/cm³	17	0.024 (0.021	0.014–0.035	16	0.006 (0.028)	−0.007–0.02	0.04
T, g/cm³	17	0.03 (0.034)	0.014–0.046	16	0.004 (0.035)	−0.013–0.021	0.04
OC, g/cm³	16	0.011 (0.014)	0.004–0.017	15	−0.002 (0.015)	−0.010–0.006	0.02

^*

Two-sample t-test, two-tailed